27133730 has 16 divisors (see below), whose sum is σ = 52597944. Its totient is φ = 10018560.

The previous prime is 27133709. The next prime is 27133739. The reversal of 27133730 is 3733172.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9803161 + 17330569 = 3131^2 + 4163^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 27133730.

It is not an unprimeable number, because it can be changed into a prime (27133739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104231 + ... + 104490.

Almost surely, 2^27133730 is an apocalyptic number.

27133730 is a deficient number, since it is larger than the sum of its proper divisors (25464214).

27133730 is a wasteful number, since it uses less digits than its factorization.

27133730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208741.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 27133730 is about 5209.0047033958. The cubic root of 27133730 is about 300.4944808109.

The spelling of 27133730 in words is "twenty-seven million, one hundred thirty-three thousand, seven hundred thirty".